CJK Strokes (Unicode block)

For a list of all CJK characters encoded in Unicode, see CJK Unified Ideographs.

CJK Strokes
Range	U+31C0..U+31EF (48 code points)
Plane	BMP
Scripts	Common
Assigned	39 code points
Unused	9 reserved code points
Source standards	HKSCS–2001
Unicode version history
4.1 (2005)	16 (+16)
5.1 (2008)	36 (+20)
15.1 (2023)	37 (+1)
16.0 (2024)	39 (+2)
Unicode documentation
Code chart ∣ Web page
Note: [1] [2]

CJK Strokes is a Unicode block containing examples of each of the standard CJK stroke types.

Block

CJK Strokes [1] [2] Official Unicode Consortium code chart (PDF)

0

1

2

3

4

5

6

7

8

9

A

B

C

D

E

F

U+31Cx

㇀

㇁

㇂

㇃

㇄

㇅

㇆

㇇

㇈

㇉

㇊

㇋

㇌

㇍

㇎

㇏

U+31Dx

㇐

㇑

㇒

㇓

㇔

㇕

㇖

㇗

㇘

㇙

㇚

㇛

㇜

㇝

㇞

㇟

U+31Ex

㇠

㇡

㇢

㇣

㇤

㇥

㇯

Notes 1. ^ As of Unicode version 16.0 2. ^ Grey areas indicate non-assigned code points

History

The following Unicode-related documents record the purpose and process of defining specific characters in the CJK Strokes block:

Version	Final code points [a]	Count	L2  ID	WG2  ID	IRG  ID	Document
4.1	U+31C0..31CF	16	L2/03-411			Goldsmith, Deborah; Muller, Eric (2003-10-31), Unencoded chars in GB 18030 & HK-SCS
			L2/04-161R	N2807		Suignard, Michel; Muller, Eric; Jenkins, John (2004-06-17), HKSCS and GB 18030 PUA characters, background document
			L2/04-263	N2808		Suignard, Michel (2004-06-17), HKSCS and GB 18030 PUA characters, request for additional characters and related information
			L2/05-058			Whistler, Ken (2005-02-03), "C. Changes to CJK strokes block", WG2 Consent Docket, Part 1: Unicode 4.1 Issues
			L2/05-026			Moore, Lisa (2005-05-16), "WG2 - Unicode 4.1 Consent Docket (B.1.16.1)", UTC #102 Minutes
5.1	U+31D0..31E3	20	L2/03-387		N986	Cook, Richard (2003-10-26), Chinese Character Description Language (CDL)
			L2/03-404			Bishop, Thomas; Cook, Richard (2003-10-28), A Specification for CDL -- Character Description Language
			L2/03-420		N987	Bishop, Thomas; Cook, Richard (2003-11-04), Character Description Language (CDL): The Set of Basic CJK Unified Stroke Types
			L2/04-221	N2817	N1096	Bishop, Thomas; Cook, Richard (2004-06-07), Proposal to add a block of CJK Unified Basic Strokes to the UCS
			L2/04-367	N2864	N1097	Bishop, Thomas; Cook, Richard (2004-10-25), Proposal to add a block of CJK Basic Strokes to the UCS
			L2/06-212	N3063	N1180	Lu, Qin (2006-04-03), Proposed additions to the CJK Strokes block of the UCS
			L2/06-108			Moore, Lisa (2006-05-25), "C.4", UTC #107 Minutes
				N3103 (pdf, doc)		Umamaheswaran, V. S. (2006-08-25), "M48.12", Unconfirmed minutes of WG 2 meeting 48, Mountain View, CA, USA; 2006-04-24/27
			L2/23-221			Koo, Night (2023-10-01), Proposal to modify the representative glyph of U+31D2 CJK STROKE P
			L2/23-237R			Lunde, Ken (2023-11-02), "19", CJK & Unihan Group Recommendations for UTC #177 Meeting
			L2/23-231			Constable, Peter (2023-12-08), "Section 19", UTC #177 Minutes, Consensus 177-C14: Accept the proposal to change the representative glyph for U+31D2
15.1	U+31EF	1	L2/21-118R		N2492	Lunde, Ken; Jenkins, John H. (2021-08-11), Preliminary proposal to add a new provisional kIDS property (Unihan)
			L2/22-136			West, Andrew (2022-07-08), Feedback on Proposals to Encode New Ideographic Description Characters
			L2/22-191		N2572	Lunde, Ken; Jenkins, John; West, Andrew (2022-08-24), Proposal to encode five new Ideographic Description Characters
			L2/22-227			SAT Feedback to "Preliminary proposal to add a new provisional kIDS property (Unihan)" (IRGN2492) and "Proposal to encode five new Ideographic Description Characters" (IRGN2572), 2022-08-29
			L2/22-228			Fan, Ming (2022-09-02), Feedback on IRGN2572 "Proposal to encode 5 new ideograph description characters"
			L2/22-247			Lunde, Ken (2022-11-01), "29", CJK & Unihan Group Recommendations for UTC #173 Meeting
			L2/22-241			Constable, Peter (2022-11-09), "E.1 29", Approved Minutes of UTC Meeting 173
16.0	U+31E4..31E5	2	L2/23-220		N2647	Koo, Night (2023-10-01), Proposal to encode (disunify) two stroke characters in CJK Strokes block
			L2/23-237R			Lunde, Ken (2023-11-02), "18", CJK & Unihan Group Recommendations for UTC #177 Meeting
			L2/23-231			Constable, Peter (2023-12-08), "Section 18", UTC #177 Minutes
			L2/24-044			Koo, Night (2024-02-19), Correcting the proposed name of new character U+31E4 in Unicode 16.0
			L2/24-067			Lunde, Ken (2024-04-19), "32 [Affects U+31E4]", CJK & Unihan Working Group Recommendations for UTC #179 Meeting
			L2/24-061			Constable, Peter (2024-04-29), "Consensus 179-C17", UTC #179 Minutes, Accept the proposal to change the name of U+31E4, from CJK STROKE HZXG to CJK STROKE HXG
Proposed code points and characters names may differ from final code points and names

References

1. "Unicode character database". The Unicode Standard. Retrieved 2023-07-26.
2. "Enumerated Versions of The Unicode Standard". The Unicode Standard. Retrieved 2023-07-26.